<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>div1</div>
<div>div2</div>
<div>div3</div>
<span>span1</span>
<span>span2</span>
<span>span3</span>
<h1>内容&nbsp;&nbsp;&nbsp;标题</h1>
&lt;abc&gt;
<h2>会见&nbsp;&nbsp;&nbsp;在说</h2>
&lt;lkj&gt;
</body>
</html>